Alaska earthquakes

M2.7 earthquake 169 km S of False Pass, Alaska

A magnitude 2.7 earthquake struck 169 km S of False Pass, Alaska on Mon, Apr 23, 2018, 7:36 AM AKDT (15:36 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M5.5 160 km ESE of Akutan, Alaska. This one was a foreshock.

Akutan forecast More in Alaska

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude: 2.7 (ml), micro
Local time: Mon, Apr 23, 2018, 7:36 AM AKDT
UTC: 2018-04-23 15:36:21 UTC
Depth: 10.0 km (6.2 mi), shallow
Epicenter: 53.335° N, 163.478° W
Region: Alaska
Tsunami flag: No
Status: Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Location uncertainty: About 3.9 km horizontally, 2.0 km in depth
Depth from: Operator assigned
Station coverage gap: 247°, poorly surrounded by stations
Stations used: 15

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Akutan, AlaskaPopulation 1,040. Forecast175 kmESE

Nearby

Within 100 km, magnitude 1.5 and up: 127 in the 60 days after this one and 68 in the 30 days before it.

After

The first 60 of 127.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us1000dsg0 (also filed as ak018574vhgd, ak19274579). Read Wed, Sep 30, 2026, 8:35 PM UTC.